US4581700A - Processing system for grade crossing warning - Google Patents
Processing system for grade crossing warning Download PDFInfo
- Publication number
- US4581700A US4581700A US06/637,911 US63791184A US4581700A US 4581700 A US4581700 A US 4581700A US 63791184 A US63791184 A US 63791184A US 4581700 A US4581700 A US 4581700A
- Authority
- US
- United States
- Prior art keywords
- output
- computer
- warning device
- activation
- program loop
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000004913 activation Effects 0.000 claims abstract description 24
- 230000015654 memory Effects 0.000 claims abstract description 20
- 238000013459 approach Methods 0.000 claims abstract description 12
- 230000008859 change Effects 0.000 claims abstract description 11
- 230000004044 response Effects 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 12
- 230000005284 excitation Effects 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims 14
- 238000012544 monitoring process Methods 0.000 claims 1
- 230000003252 repetitive effect Effects 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 21
- 239000003990 capacitor Substances 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 230000001133 acceleration Effects 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 238000005070 sampling Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 230000001939 inductive effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L29/00—Safety means for rail/road crossing traffic
- B61L29/08—Operation of gates; Combined operation of gates and signals
- B61L29/18—Operation by approaching rail vehicle or rail vehicle train
- B61L29/22—Operation by approaching rail vehicle or rail vehicle train electrically
- B61L29/226—Operation by approaching rail vehicle or rail vehicle train electrically using track-circuits, closed or short-circuited by train or using isolated rail-sections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L29/00—Safety means for rail/road crossing traffic
- B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
- B61L29/28—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
- B61L29/284—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated using rail-contacts, rail microphones, or the like, controlled by the vehicle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L29/00—Safety means for rail/road crossing traffic
- B61L29/24—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning
- B61L29/28—Means for warning road traffic that a gate is closed or closing, or that rail traffic is approaching, e.g. for visible or audible warning electrically operated
- B61L29/30—Supervision, e.g. monitoring arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
Description
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/637,911 US4581700A (en) | 1981-08-07 | 1984-08-06 | Processing system for grade crossing warning |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US29092581A | 1981-08-07 | 1981-08-07 | |
US06/637,911 US4581700A (en) | 1981-08-07 | 1984-08-06 | Processing system for grade crossing warning |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US29092581A Continuation | 1981-08-07 | 1981-08-07 |
Publications (1)
Publication Number | Publication Date |
---|---|
US4581700A true US4581700A (en) | 1986-04-08 |
Family
ID=26966483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/637,911 Expired - Lifetime US4581700A (en) | 1981-08-07 | 1984-08-06 | Processing system for grade crossing warning |
Country Status (1)
Country | Link |
---|---|
US (1) | US4581700A (en) |
Cited By (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4787581A (en) * | 1984-08-24 | 1988-11-29 | Alcatel N.V. | Train detection system operating in accordance with the axle-counting principle |
US4868538A (en) * | 1988-10-07 | 1989-09-19 | Harmon Industries, Inc. | Random signature island circuit |
US4906979A (en) * | 1987-03-18 | 1990-03-06 | Sharp Kabushiki Kaisha | Monitoring system with microprocessor and watchdog circuit monitoring each other |
US4934633A (en) * | 1988-10-07 | 1990-06-19 | Harmon Industries, Inc. | Crossing control unit |
US5170970A (en) * | 1990-09-21 | 1992-12-15 | Harmon Industries, Inc. | Method and apparatus for improving rail shunts |
US5305975A (en) * | 1992-11-06 | 1994-04-26 | Douglass Charles L | Flagging apparatus and method |
US5504860A (en) * | 1989-02-13 | 1996-04-02 | Westinghouse Brake And Signal Holding Limited | System comprising a processor |
US5924652A (en) * | 1997-09-29 | 1999-07-20 | Harmon Industries, Inc. | Island presence detected |
US5954299A (en) * | 1991-02-04 | 1999-09-21 | Eva Signal Corporation | Railroad crossing traffic warning system apparatus and method therefore |
US6102340A (en) * | 1997-02-07 | 2000-08-15 | Ge-Harris Railway Electronics, Llc | Broken rail detection system and method |
US6113037A (en) * | 1991-02-04 | 2000-09-05 | Eva Signal Corporation | Railroad maintenance-of-way personnel warning system apparatus and method therefor |
US6232887B1 (en) | 1998-04-29 | 2001-05-15 | Joseph E. Carson | Warning systems |
WO2004071839A1 (en) * | 2003-02-13 | 2004-08-26 | General Electric Company (A New York Corporation) | Digital train system for automatically detecting trains approaching a crossing |
US20080169385A1 (en) * | 2007-01-15 | 2008-07-17 | Ashraf Ahtasham | Vehicle detection system |
US20090079560A1 (en) * | 2007-09-26 | 2009-03-26 | General Electric Company | Remotely monitoring railroad equipment using network protocols |
US20100025545A1 (en) * | 2008-07-31 | 2010-02-04 | Jeffrey Koval | Systems and methods for determining whether a transportation track is occupied |
US20110050446A1 (en) * | 2009-09-01 | 2011-03-03 | Guidance IP, Ltd. | Proximity sensors |
WO2013154807A1 (en) * | 2012-04-13 | 2013-10-17 | General Electric Company | Methods and system for crossing prediction |
US9026283B2 (en) | 2010-05-31 | 2015-05-05 | Central Signal, Llc | Train detection |
US20150192636A1 (en) * | 2014-01-09 | 2015-07-09 | General Electric Company | Systems and methods for predictive maintenance of crossings |
US9925995B1 (en) * | 2015-02-03 | 2018-03-27 | Bnsf Railway Company | Highway crossing out-of-service controller |
WO2018090106A1 (en) | 2016-11-21 | 2018-05-24 | Rail Control Systems Australia Pty Ltd | Speed proving method and apparatus |
US10029717B2 (en) * | 2014-10-02 | 2018-07-24 | Vossloh Signaling Usa, Inc. | Railroad track circuits |
US10556604B2 (en) | 2016-04-12 | 2020-02-11 | Fermi Research Alliance, Llc | Railroad block/grade crossing warning system |
Citations (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3619604A (en) * | 1969-12-16 | 1971-11-09 | Gen Signal Corp | Digital distance to coupling detection |
US3740550A (en) * | 1971-01-11 | 1973-06-19 | Erico Prod Inc | Pulse coded railway signal system |
US3781543A (en) * | 1972-05-08 | 1973-12-25 | Westinghouse Air Brake Co | Highway crossing protection apparatus |
US3829682A (en) * | 1971-01-11 | 1974-08-13 | Erico Prod Inc | Pulse coded railway signal system |
US3929307A (en) * | 1973-04-09 | 1975-12-30 | Erico Rail Prod Co | Railway signal system with speed determined movement detector |
US3963201A (en) * | 1975-03-03 | 1976-06-15 | Westinghouse Electric Corporation | Sequential occupancy release control method and apparatus for train vehicles |
US4052595A (en) * | 1976-06-18 | 1977-10-04 | Honeywell Inc. | Automatic vehicle monitoring system |
US4115847A (en) * | 1974-07-05 | 1978-09-19 | Sperry Rand Corporation | Automatic flight control system with operatively monitored digital computer |
US4172576A (en) * | 1977-06-21 | 1979-10-30 | General Signal Corporation | Highway crossing system with motion detecting apparatus |
US4263647A (en) * | 1979-02-07 | 1981-04-21 | Allen-Bradley Company | Fault monitor for numerical control system |
US4287565A (en) * | 1978-09-29 | 1981-09-01 | Robert Bosch Gmbh | Monitoring system for program controlled apparatus |
US4306694A (en) * | 1980-06-24 | 1981-12-22 | American Standard Inc. | Dual signal frequency motion monitor and broken rail detector |
US4307860A (en) * | 1979-07-30 | 1981-12-29 | American Standard Inc. | Railroad grade crossing constant warning protection system |
US4324376A (en) * | 1980-06-24 | 1982-04-13 | American Standard Inc. | Railroad highway crossing warning system |
US4328583A (en) * | 1980-09-08 | 1982-05-04 | Rockwell International Corporation | Data bus fault detector |
US4356485A (en) * | 1979-12-21 | 1982-10-26 | Siemens Aktiengesellschaft | Device for the signal-technical secure control and monitoring of electrical loads |
US4361301A (en) * | 1980-10-08 | 1982-11-30 | Westinghouse Electric Corp. | Vehicle train tracking apparatus and method |
US4365777A (en) * | 1979-08-17 | 1982-12-28 | Modern Industries Signal Equipment, Inc. | Train approach detector |
US4369427A (en) * | 1979-07-20 | 1983-01-18 | Siemens Aktiengesellschaft | Method and circuit arrangement for determining the entry and/or exit of a vehicle, in particular a traffic vehicle, into and out of a predetermined monitoring zone |
US4383240A (en) * | 1981-02-24 | 1983-05-10 | Solid State Devices | Recorder of the status of a traffic control system |
US4398233A (en) * | 1982-03-03 | 1983-08-09 | Electronics Corporation Of America | Fail-safe device for electronic control circuit |
US4409635A (en) * | 1981-06-18 | 1983-10-11 | Westinghouse Electric Corp. | Electrical power system with fault tolerant control unit |
US4468768A (en) * | 1981-10-26 | 1984-08-28 | Owens-Corning Fiberglas Corporation | Self-testing computer monitor |
US4494717A (en) * | 1980-10-07 | 1985-01-22 | Westinghouse Brake & Signal Co., Ltd. | Vital transmission checking apparatus for communication channels |
-
1984
- 1984-08-06 US US06/637,911 patent/US4581700A/en not_active Expired - Lifetime
Patent Citations (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3619604A (en) * | 1969-12-16 | 1971-11-09 | Gen Signal Corp | Digital distance to coupling detection |
US3740550A (en) * | 1971-01-11 | 1973-06-19 | Erico Prod Inc | Pulse coded railway signal system |
US3829682A (en) * | 1971-01-11 | 1974-08-13 | Erico Prod Inc | Pulse coded railway signal system |
US3781543A (en) * | 1972-05-08 | 1973-12-25 | Westinghouse Air Brake Co | Highway crossing protection apparatus |
US3929307A (en) * | 1973-04-09 | 1975-12-30 | Erico Rail Prod Co | Railway signal system with speed determined movement detector |
US4115847A (en) * | 1974-07-05 | 1978-09-19 | Sperry Rand Corporation | Automatic flight control system with operatively monitored digital computer |
US3963201A (en) * | 1975-03-03 | 1976-06-15 | Westinghouse Electric Corporation | Sequential occupancy release control method and apparatus for train vehicles |
US4052595A (en) * | 1976-06-18 | 1977-10-04 | Honeywell Inc. | Automatic vehicle monitoring system |
US4172576A (en) * | 1977-06-21 | 1979-10-30 | General Signal Corporation | Highway crossing system with motion detecting apparatus |
US4287565A (en) * | 1978-09-29 | 1981-09-01 | Robert Bosch Gmbh | Monitoring system for program controlled apparatus |
US4263647A (en) * | 1979-02-07 | 1981-04-21 | Allen-Bradley Company | Fault monitor for numerical control system |
US4369427A (en) * | 1979-07-20 | 1983-01-18 | Siemens Aktiengesellschaft | Method and circuit arrangement for determining the entry and/or exit of a vehicle, in particular a traffic vehicle, into and out of a predetermined monitoring zone |
US4307860A (en) * | 1979-07-30 | 1981-12-29 | American Standard Inc. | Railroad grade crossing constant warning protection system |
US4365777A (en) * | 1979-08-17 | 1982-12-28 | Modern Industries Signal Equipment, Inc. | Train approach detector |
US4356485A (en) * | 1979-12-21 | 1982-10-26 | Siemens Aktiengesellschaft | Device for the signal-technical secure control and monitoring of electrical loads |
US4324376A (en) * | 1980-06-24 | 1982-04-13 | American Standard Inc. | Railroad highway crossing warning system |
US4306694A (en) * | 1980-06-24 | 1981-12-22 | American Standard Inc. | Dual signal frequency motion monitor and broken rail detector |
US4328583A (en) * | 1980-09-08 | 1982-05-04 | Rockwell International Corporation | Data bus fault detector |
US4494717A (en) * | 1980-10-07 | 1985-01-22 | Westinghouse Brake & Signal Co., Ltd. | Vital transmission checking apparatus for communication channels |
US4361301A (en) * | 1980-10-08 | 1982-11-30 | Westinghouse Electric Corp. | Vehicle train tracking apparatus and method |
US4383240A (en) * | 1981-02-24 | 1983-05-10 | Solid State Devices | Recorder of the status of a traffic control system |
US4409635A (en) * | 1981-06-18 | 1983-10-11 | Westinghouse Electric Corp. | Electrical power system with fault tolerant control unit |
US4468768A (en) * | 1981-10-26 | 1984-08-28 | Owens-Corning Fiberglas Corporation | Self-testing computer monitor |
US4398233A (en) * | 1982-03-03 | 1983-08-09 | Electronics Corporation Of America | Fail-safe device for electronic control circuit |
Cited By (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4787581A (en) * | 1984-08-24 | 1988-11-29 | Alcatel N.V. | Train detection system operating in accordance with the axle-counting principle |
US4906979A (en) * | 1987-03-18 | 1990-03-06 | Sharp Kabushiki Kaisha | Monitoring system with microprocessor and watchdog circuit monitoring each other |
US4868538A (en) * | 1988-10-07 | 1989-09-19 | Harmon Industries, Inc. | Random signature island circuit |
US4934633A (en) * | 1988-10-07 | 1990-06-19 | Harmon Industries, Inc. | Crossing control unit |
US5504860A (en) * | 1989-02-13 | 1996-04-02 | Westinghouse Brake And Signal Holding Limited | System comprising a processor |
US5170970A (en) * | 1990-09-21 | 1992-12-15 | Harmon Industries, Inc. | Method and apparatus for improving rail shunts |
US5954299A (en) * | 1991-02-04 | 1999-09-21 | Eva Signal Corporation | Railroad crossing traffic warning system apparatus and method therefore |
US6113037A (en) * | 1991-02-04 | 2000-09-05 | Eva Signal Corporation | Railroad maintenance-of-way personnel warning system apparatus and method therefor |
US5305975A (en) * | 1992-11-06 | 1994-04-26 | Douglass Charles L | Flagging apparatus and method |
US6102340A (en) * | 1997-02-07 | 2000-08-15 | Ge-Harris Railway Electronics, Llc | Broken rail detection system and method |
US5924652A (en) * | 1997-09-29 | 1999-07-20 | Harmon Industries, Inc. | Island presence detected |
US6232887B1 (en) | 1998-04-29 | 2001-05-15 | Joseph E. Carson | Warning systems |
WO2004071839A1 (en) * | 2003-02-13 | 2004-08-26 | General Electric Company (A New York Corporation) | Digital train system for automatically detecting trains approaching a crossing |
US20040181321A1 (en) * | 2003-02-13 | 2004-09-16 | General Electric Company | Digital train system for automatically detecting trains approaching a crossing |
US7254467B2 (en) | 2003-02-13 | 2007-08-07 | General Electric Company | Digital train system for automatically detecting trains approaching a crossing |
US8028961B2 (en) | 2006-12-22 | 2011-10-04 | Central Signal, Llc | Vital solid state controller |
US8469320B2 (en) | 2006-12-22 | 2013-06-25 | Central Signal, Llc | Vital solid state controller |
US9067609B2 (en) | 2006-12-22 | 2015-06-30 | Central Signal, Llc | Vital solid state controller |
US20080183306A1 (en) * | 2006-12-22 | 2008-07-31 | Central Signal, Llc | Vital solid state controller |
US8888052B2 (en) * | 2007-01-15 | 2014-11-18 | Central Signal, Llc | Vehicle detection system |
US20130341468A1 (en) * | 2007-01-15 | 2013-12-26 | Central Signal, Llc | Vehicle detection system |
US8157219B2 (en) * | 2007-01-15 | 2012-04-17 | Central Signal, Llc | Vehicle detection system |
US20080169385A1 (en) * | 2007-01-15 | 2008-07-17 | Ashraf Ahtasham | Vehicle detection system |
US8517316B2 (en) | 2007-01-15 | 2013-08-27 | Central Signal, Llc | Vehicle detection system |
US20090079560A1 (en) * | 2007-09-26 | 2009-03-26 | General Electric Company | Remotely monitoring railroad equipment using network protocols |
US9290190B2 (en) * | 2008-07-31 | 2016-03-22 | Jeffrey Koval | Systems and methods for determining whether a transportation track is occupied |
US20100025545A1 (en) * | 2008-07-31 | 2010-02-04 | Jeffrey Koval | Systems and methods for determining whether a transportation track is occupied |
US8629771B2 (en) * | 2009-09-01 | 2014-01-14 | John Anderson | Proximity sensors |
US20110050446A1 (en) * | 2009-09-01 | 2011-03-03 | Guidance IP, Ltd. | Proximity sensors |
US9026283B2 (en) | 2010-05-31 | 2015-05-05 | Central Signal, Llc | Train detection |
US8725405B2 (en) * | 2012-04-13 | 2014-05-13 | General Electric Company | Methods and system for crossing prediction |
WO2013154807A1 (en) * | 2012-04-13 | 2013-10-17 | General Electric Company | Methods and system for crossing prediction |
US20150192636A1 (en) * | 2014-01-09 | 2015-07-09 | General Electric Company | Systems and methods for predictive maintenance of crossings |
US9481385B2 (en) * | 2014-01-09 | 2016-11-01 | General Electric Company | Systems and methods for predictive maintenance of crossings |
US10029717B2 (en) * | 2014-10-02 | 2018-07-24 | Vossloh Signaling Usa, Inc. | Railroad track circuits |
US9925995B1 (en) * | 2015-02-03 | 2018-03-27 | Bnsf Railway Company | Highway crossing out-of-service controller |
US10730540B2 (en) | 2015-02-03 | 2020-08-04 | Bnsf Railway Company | Highway crossing out-of-service controller |
US10556604B2 (en) | 2016-04-12 | 2020-02-11 | Fermi Research Alliance, Llc | Railroad block/grade crossing warning system |
WO2018090106A1 (en) | 2016-11-21 | 2018-05-24 | Rail Control Systems Australia Pty Ltd | Speed proving method and apparatus |
US11285980B2 (en) * | 2016-11-21 | 2022-03-29 | Rail Control Systems Australia Pty Ltd | Speed proving method and apparatus |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US4581700A (en) | Processing system for grade crossing warning | |
CA1212472A (en) | Remote elevator monitoring system (rems) state machine | |
CA1264802A (en) | Motor control method and apparatus therefor | |
US4543565A (en) | Method and apparatus for monitoring an alarm system | |
CA1258115A (en) | System for indicating track sections in an interlocking area as unoccupied or occupied | |
US3777139A (en) | Motion sensor system | |
US5440293A (en) | Detector supervision apparatus and method | |
SE467885B (en) | DEVICE FOR MONITORING OF AN ASYNCHRONIC MOTOR DRIVE PORT | |
US3944173A (en) | Railroad crossing motion sensing system | |
US6067026A (en) | Sensor apparatus | |
US4665477A (en) | Method for ensuring safe operation of a programmable automatic control device and automatic control device for carrying out the said method | |
US4365298A (en) | Speed control systems for governing the speed of a vehicle | |
US5006989A (en) | Digital vital rate decoder | |
US4800507A (en) | Proving safe operation | |
US4868538A (en) | Random signature island circuit | |
US3390256A (en) | Predictor self-check system for analog computer | |
US4029274A (en) | Train control signalling system | |
EP0460643B1 (en) | Emergency circuit for, e.g., numerical control unit | |
NL7908971A (en) | FAULT-SAFE ELECTRONIC COD GENERATOR. | |
EP0133005B1 (en) | Safe operation proving of a controlled system | |
GB2082358A (en) | Security systems | |
CA1149516A (en) | Circuit arrangement for monitoring a pulse sequence on a fail-safe basis | |
JP2715589B2 (en) | Sensor switching device | |
JPS61271418A (en) | Measuring instrument verification system in process control computer system | |
SU700641A1 (en) | Automatic regulator of gas-lift well operating duty |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: MERCHANTS BANK THE, 850 MAIN, KANSAS CITY, MISSOUR Free format text: SECURITY INTEREST;ASSIGNOR:SAB HARMON INDUSTRIES, INC.;REEL/FRAME:004456/0262 Effective date: 19850617 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
AS | Assignment |
Owner name: MERCHANTS BANK THE, 850 MAIN, KANSAS CITY, MISSOUR Free format text: SECURITY INTEREST;ASSIGNOR:SAB HARMON INDUSTRIES, INC., A CORP. OF MO.;REEL/FRAME:004617/0010 Effective date: 19850618 |
|
AS | Assignment |
Owner name: HARMON INDUSTRIES, INC., Free format text: CHANGE OF NAME;ASSIGNOR:SAB HARMON INDUSTRIES, INC.;REEL/FRAME:004607/0281 Effective date: 19860509 Owner name: HARMON INDUSTRIES, INC.,, STATELESS Free format text: CHANGE OF NAME;ASSIGNOR:SAB HARMON INDUSTRIES, INC.;REEL/FRAME:004607/0281 Effective date: 19860509 |
|
REMI | Maintenance fee reminder mailed | ||
FPAY | Fee payment |
Year of fee payment: 4 |
|
SULP | Surcharge for late payment | ||
FPAY | Fee payment |
Year of fee payment: 8 |
|
FPAY | Fee payment |
Year of fee payment: 12 |